This eerie footage was filmed inside one of the melted nuclear reactors at Japan's Fukushima nuclear plant.
It was recorded by a specially-designed robot that weaved its way through an environment still far too dangerous for humans.
The Fukushima nuclear meltdown in March 2011 was the worst since Chernobyl and happened after a magnitude 9 earthquake hit the area and triggered a deadly tsunami.
Read more and watch the full video at http://bit.ly/InsideFukushima
SUBSCRIBE to our YouTube channel for more great videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews and https://twitter.com/skynewsbreak
Like us on Facebook: https://www.facebook.com/skynews
For more great content go to http://news.sky.com and download our apps:
iPad https://itunes.apple.com/gb/app/Sky-News-for-iPad/id422583124
iPhone https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8
Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB
